Chrome Web Store
134Versions
1Code reviewed

No malware found

In code review (v11.0.3)

Our reviewer read version 11.0.3 — the most recent version we have reviewed — and found no malicious behaviour. The version shown here has not been individually reviewed yet.

What our analysis found

Méliuz: Cashback e cupons em suas compras, used by 1,000,000 people, showed no malicious code in Extension Auditor's review. Its permissions mean it can read and change data on all websites and can inject scripts into pages. It comes from a trusted publisher and was last updated in September 2026.

Extension is a legitimate tool from a well-known Brazilian publisher. Broad host permissions, scripting, and DOM injection are necessary to inject offers, track purchases, and apply coupons across shopping sites. The high counts of and XHR requests are expected for a UI-heavy extension. Data collection categories disclosed in the CWS listing match the extension's purpose, and all observed network destinations (e.g.,,) are first-party or related infrastructure. No evidence of unauthorized data exfiltration, code obfuscation, or malicious behavior was found.

Méliuz: Cashback e cupons em suas compras

Méliuz: Cashback e cupons em suas compras

ID: jdcfmebflppkljibgpdlboifpcaalolg

Supported Languages

🇧🇷Brazilian Portuguese

Extension Info & Metadata

Status
Active
Version
11.6.0
Size
18.96 MB
Rating
4.0/5
Reviews
6,821
Users
1,000,000
Type
Extension
Updated
Sep 21, 2026
Category
Lifestyle Shopping
Price
Free
Featured
No
Visibility
Listed
Mature
No
By Google
No
Trusted
Yes
This publisherTrack record
1extension
All still listed
Scanned by Extension Auditor — Low RiskDevelopers: embed this badge to link to this report.

Publisher Contextual Analysis

Trusted
Author
https://www.meliuz.com.br/View Profile
Country
BR
MX records exist
Yes
Domain exists
Yes
Is disposable
No
Is role-based
No
Mailbox exists
Yes
Address
R. José Versolato, 111B São Bernardo do Campo, SP 09750-730 BR
Website
Visit
Extensions
1
Active
1
Obsolete
0
Listed
1
Unlisted
0
Users
1,000,000

Screenshots & videos

Screenshot 1
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Install growth

Item
Type
Severity
Description
scripting
Permission
Critical
This permission allows injection and execution of JavaScript on any webpage. Rated Critical because it can modify page content, steal sensitive data, and inject malicious code into any site the extension has access to.
*://*/*
Host
Critical
Broad host access — the extension can read/modify content on every website.
cookies
Permission
High
This permission provides full access to read and modify browser cookies. Rated High because it can steal session tokens, modify authentication cookies, and compromise accounts across websites.
Contextual Risk Factors
Risk Factor
High
The following context increases the overall risk:• 10% increase: Early script execution enables pre-emptive content manipulation
Broad Host Permissions
Risk Factor
High
This extension has broad host permissions allowing it to access many or all websites.
Broad Content Script Access
Risk Factor
High
This extension can inject scripts into any website.
storage
Permission
Medium
This permission allows storing data locally in the browser. Rated Medium because it can persist sensitive user data, track user activities over time, and potentially store malicious payloads.
Early Content Script Execution
Risk Factor
Medium
This extension runs content scripts at document_start.
alarms
Permission
Low
This permission schedules periodic tasks. Rated Low because it can only trigger events at specified times without access to sensitive data.
windows
Permission
Unknown
No classification available for this permission.

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About this extension

Ganhe cashback e ative cupons de desconto nas suas lojas favoritas!

Read the publisher’s full description

A extensão do Méliuz ativa o seu cashback e encontra automaticamente os melhores cupons de descontos com poucos cliques, direto no site da loja. É fácil, rápido e 100% gratuito. Você gosta mesmo de economizar? Confira como a extensão do Méliuz te ajuda a ter a melhor experiência comprando online: ✅ Permite ativar o cashback direto no site da loja 🎫 Testa e aplica automaticamente os melhores cupons de desconto, com apenas 1 clique 🛍️ Quando pesquisar pelo produto que deseja, a extensão te mostra as melhores ofertas com cashback nas lojas parceiras E, comprando online com Méliuz, o cashback é dinheiro de verdade! Ao completar R$20 de saldo disponível no extrato, você pode usar o seu cashback como quiser. É só fazer o download, concluir o seu cadastro e ativar o cashback antes de realizar suas compras. Você pode comprar produtos de supermercado, itens de viagem, roupas, eletrônicos, cosméticos e mais. Tudo com muito cashback e economia. Atenção: o uso de outras extensões como Buscapé, Dotz, Pelando e Cuponomia podem cancelar o seu cashback. Por isso, recomendamos usar apenas a extensão do Méliuz. Instalando o Méliuz em seu navegador e se cadastrando em nosso site, você concorda com os nossos termos de uso: https://www.meliuz.com.br/termos-e-condicoes A extensão do Méliuz utiliza links ou códigos de afiliados para monetização. Ao ativar o cashback, você concorda explicitamente com a inserção de parâmetros na URL e/ou cookies necessários para o funcionamento do programa de cashback. Esse processo é essencial para que o Méliuz possa rastrear suas compras e garantir o pagamento do cashback. Nenhum código, link ou cookie de afiliado será adicionado sem sua ação prévia e consentimento explícito. A ativação do cashback é o momento em que essa autorização é concedida, garantindo total transparência sobre a utilização dos programas de afiliados.

User reviews

Extension files

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URLs
163
IPv4
3

URLs

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No IP addresses found

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Code Diff

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